Calendar Events

List of 3 events.

Featured Stories

List of 3 news stories.

  • Valedictorian & Salutatorians

    St. John XXIII is proud to announce the class of 2019 valedictorian, Caitlyn Louise Cano and salutatorians, Abby Faye Hollman and Adley Grace Marsh.
  • All Student Physicals

    All Students MUST get a physical for the 2019-20 school year. Houston Methodist Orthopedics & Sports Medicine will be hosting Physicals on campus May 29th from 12:30 - 3:30 PM
  • Uniform SALE!

    Mills Uniform 2019 Summer Sale starts on June 8. 
    10% Off everything / 25%+ and More Off Clearance items and $5 shipping on orders $100+ placed during the sale.
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Parare Mente et Corde

St. John XXIII College Preparatory

1800 W. Grand Parkway N., Katy, Texas 77449
281.693.1000
Fax: 281.693.1001

Our Mission
We prepare the hearts and minds of our students to serve God and others.